Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D941113 | Chisel | Steven W. Hyma, Anthony R. Erickson, Max R. Sawa, Nicolai Rumpel | 2022-01-18 |
| D938249 | Chisel | Steven W. Hyma, Anthony R. Erickson, Max R. Sawa, Nicolai Rumpel | 2021-12-14 |
| D937650 | Chisel | Steven W. Hyma, Anthony R. Erickson, Max R. Sawa, Nicolai Rumpel | 2021-12-07 |
| D923447 | Chisel | Steven W. Hyma, Anthony R. Erickson, Max R. Sawa, Nicolai Rumpel | 2021-06-29 |
| D922842 | Chisel | Steven W. Hyma, Anthony R. Erickson, Max R. Sawa, Nicolai Rumpel | 2021-06-22 |
| D922841 | Chisel | Steven W. Hyma, Anthony R. Erickson, Max R. Sawa, Nicolai Rumpel | 2021-06-22 |
| D922840 | Chisel | Steven W. Hyma, Anthony R. Erickson, Max R. Sawa, Nicolai Rumpel | 2021-06-22 |
| 9718136 | Drill | Martin Stumpp, Alexander Zurn, Peter Kehrle | 2017-08-01 |